The Mac Mini hasn't been this cheap for a 512GB version since you were able to swap out HDDs in the past.
Great value, especially for a computer to leave at home.
Previously only the 256GB models have ever been this cheap.
From The Good Guys
Family: Mac mini
Type: Mac Desktop
Processor: 8th Gen Intel Core i5
Processor Speed: 3.0GHz
Storage Type: PCIe-based SSD
Storage Size: 512GB
RAM Size: 8GB
Operating System: macOS
Graphics Processing Type: Intel UHD Graphics 630
Bluetooth: Version 5.0
Connection Ports: 4x Thunderbolt 3 (USB-C)
Audio: 3.5-mm headphone jack
Release Date: March 2020
Product Height (mm): 36
Product Width (mm): 197
Product Depth (mm): 197
Weight (kg): 1.3
What's In The Box: Mac mini, power cord
Manufacturer's Warranty: 1 Year